502nd Tactical Control Group, a United States Air Force unit that fought in the Korean War
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502nd SS Jäger Battalion, a Nazi Germany special forces unit from 1943 to 1944
Elements of the U.S. 101st Airborne Division (502nd and 506th Parachute Infantry Regiments (PIR)) met the enemy advance southwest of Carentan at the Battle of Bloody Gulch.